Islamic Palaces in the Maghreb and al-Andalus

Talk about Islamic Palaces in the Maghreb and al-Andalus. What are the new new features, the influences and the decorations. what is unique and what is copied from another dynasty. Mainly, we have the Fatimid palace in Manddyia city, the Zirids palace in Ashir this is for the Maghreb and all the palaces in al-Andalus.